330

330 is a natural number that follows 329 and precedes 331. In base-10 notation it is written as 330. Its prime factorization is 2 × 3 × 5 × 11, and it has 16 positive divisors. The number is even and composite. It is an abundant number, since the sum of its proper divisors equals 534, exceeding 330. It is a Harshad number in base 10, as it is divisible by the sum of its digits (3+3+0 = 6). In various numeral systems its representations include binary 101001010 and hexadecimal 0x14A; in Roman numerals it is CCCXXX.

Historically, the year 330 CE is notable as the founding of Constantinople by Emperor Constantine the Great, who dedicated the city of Byzantium as the new eastern capital of the Roman Empire and later renamed it Constantinople.

Geography and infrastructure: In modern telecommunications, 330 is an area code serving parts of northeastern Ohio, including Akron and Canton. In electronics, 330 ohms is a common standard resistor value used in various circuits.

Together, the number appears across math, history, and technology, illustrating how a simple integer can connect multiple domains.